STPS40L40CW Vishay High Power Products Schottky Rectifier, 2 x 20 A FEATURES • 150 °C TJ operation Base common cathode 2 • Center tap TO-247 package • Very low forward voltage drop • High frequency operation • High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance • Guard ring for enhanced ruggedness and long term reliability 1 3 Anode Anode 2 1 2 Common cathode TO-247AC • Designed and qualified for industrial level DESCRIPTION The STPS40L40CW center tap Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. PRODUCT SUMMARY IF(AV) 2 x 20 A VR 40 V IRM 60 mA at 100 °C MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) CHARACTERISTICS VALUES UNITS 40 A Rectangular waveform VRRM IFSM tp = 5 µs sine VF 20 Apk, TJ = 125 °C (per leg) TJ 40 V 3500 A 0.43 V - 55 to 150 °C STPS40L40CW UNITS 40 V VOLTAGE RATINGS PARAMETER SYMBOL Maximum DC reverse voltage VR Maximum working peak reverse voltage VRWM ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 5 IF(AV) Maximum peak one cycle non-repetitive surge current per leg See fig. 7 IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 4 A, L = 3.4 mH 27 mJ IAR Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical 4 A Repetitive avalanche current per leg Document Number: 93481 Revision: 21-Aug-08 50 % duty cycle at TC = 120 °C, rectangular waveform 5 µs sine or 3 µs rect. pulse 10 ms sine or 6 ms rect. pulse Following any rated load condition and with rated VRRM applied For technical questions, contact: [email protected] 40 3500 A 430 www.vishay.com 1 STPS40L40CW Vishay High Power Products Schottky Rectifier, 2 x 20 A ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS 20 A Maximum forward voltage drop per leg See fig. 1 VFM (1) TJ = 25 °C 40 A 20 A TJ = 125 °C 40 A Maximum reverse leakage current per leg See fig. 2 IRM (1) TJ = 25 °C VR = Rated VR TJ = 100 °C Maximum junction capacitance per leg CT VR = 5 VDC (test signal range 100 kHz to 1 MHz) 25 °C Typical series inductance per leg LS Measured lead to lead 5 mm from package body Maximum voltage rate of change Note (1) Pulse width < 300 µs, duty cycle < 2 % dV/dt Rated VR VALUES UNITS 0.49 0.59 0.43 V 0.56 0.8 60 mA 1850 pF 7.5 nH 10 000 V/µs VALUES UNITS - 55 to 150 °C THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL Maximum junction and storage temperature range TEST CONDITIONS TJ, TStg Maximum thermal resistance, junction to case per leg RthJC Maximum thermal resistance, junction to case per package Typical thermal resistance, case to heatsink RthCS DC operation See fig. 4 1.25 DC operation 0.63 Mounting surface, smooth and greased 0.24 6 Approximate weight Mounting torque Marking device www.vishay.com 2 minimum maximum Non-lubricated threads Case style TO-247AC (JEDEC) For technical questions, contact: [email protected] °C/W g 0.21 oz. 6 (5) kgf · cm (lbf · in) 12 (10) STPS40L40CW Document Number: 93481 Revision: 21-Aug-08 STPS40L40CW 1000 1000 TJ = 150 °C IR - Reverse Current (mA) IF - Instantaneous Forward Current (A) Schottky Rectifier, 2 x 20 A Vishay High Power Products 100 10 TJ = 150 °C TJ = 125 °C TJ = 25 °C 1 100 TJ = 125 °C 10 TJ = 100 °C 1 TJ = 75 °C 0.1 TJ = 50 °C TJ = 25 °C 0.01 0.001 0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 0 1.4 5 10 15 20 25 30 35 40 45 VR - Reverse Voltage (V) VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics (Per Leg) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) CT - Junction Capacitance (pF) 10 000 TJ = 25 °C 1000 100 0 10 20 30 50 40 VR - Reverse Voltage (V) ZthJC - Thermal Impedance (°C/W) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage (Per Leg) 10 1 PDM 0.1 0.01 Single pulse (thermal resistance) 0.001 0.00001 0.0001 0.001 t1 D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 0.01 t2 Notes: 1. Duty factor D = t1/t2 2. Peak TJ = PDM x ZthJC + TC 0.1 1 10 100 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics (Per Leg) Document Number: 93481 Revision: 21-Aug-08 For technical questions, contact: [email protected] www.vishay.com 3 STPS40L40CW 14 155 150 RthJC (DC) = 1.25 °C/W 145 DC 140 135 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 12 Average Power Loss (W) Allowable Case Temperature (°C) Vishay High Power Products Schottky Rectifier, 2 x 20 A 10 RMS limit 8 6 DC 4 2 0 130 0 5 10 15 20 25 0 30 5 10 15 20 25 30 IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) IFSM - Non-Repetitive Surge Current (A) IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current (Per Leg) 10 000 1000 At any rated load condition and with rated VRRM applied following surge 100 10 100 1000 10 000 tp - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg) L D.U.T. IRFP460 Rg = 25 Ω Current monitor High-speed switch Freewheel diode + Vd = 25 V 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit www.vishay.com 4 For technical questions, contact: [email protected] Document Number: 93481 Revision: 21-Aug-08 STPS40L40CW Schottky Rectifier, 2 x 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code STPS 40 L 40 CW - 1 2 3 4 5 6 1 - Schottky STPS series 2 - Current ratings (40 = 40 A) 3 - L = Low forward voltage 4 - Voltage code (40 = 40 V) 5 - Package: CW = TO-247 6 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 25 pieces LINKS TO RELATED DOCUMENTS Dimensions http://www.vishay.com/doc?95223 Part marking information http://www.vishay.com/doc?95226 Document Number: 93481 Revision: 21-Aug-08 For technical questions, contact: [email protected] www.vishay.com 5 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1